channel 0: open failed: administratively prohibited: open failed
On trying to SSH using the command , the following errors are thrown in the command line
ssh -J bastion_host_server remote_host_server
channel 0: open failed: administratively prohibited: open failed
stdio forwarding failed
kex_exchange_identification: Connection closed by remote host
Solution: It is because AllowTCPForwarding is set to "No" /etc/sshd/sshd_config in jumphost for security reasons. This is a recommended security setting.
#$ /etc/ssh/sshd_config
AllowTcpForwarding no